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23042441 = 137168193
BaseRepresentation
bin101011111100…
…1100110001001
31121100200021202
41113321212021
521344324231
62141513545
7366600062
oct127714611
947320252
1023042441
1112009144
1278728b5
134a0a1a6
1430bb569
1520525cb
hex15f9989

23042441 has 4 divisors (see below), whose sum is σ = 23210772. Its totient is φ = 22874112.

The previous prime is 23042423. The next prime is 23042471. The reversal of 23042441 is 14424032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8761600 + 14280841 = 2960^2 + 3779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23042441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23042401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83960 + ... + 84233.

It is an arithmetic number, because the mean of its divisors is an integer number (5802693).

Almost surely, 223042441 is an apocalyptic number.

It is an amenable number.

23042441 is a deficient number, since it is larger than the sum of its proper divisors (168331).

23042441 is a wasteful number, since it uses less digits than its factorization.

23042441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168330.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 23042441 is about 4800.2542640989. The cubic root of 23042441 is about 284.5615130513.

Adding to 23042441 its reverse (14424032), we get a palindrome (37466473).

The spelling of 23042441 in words is "twenty-three million, forty-two thousand, four hundred forty-one".

Divisors: 1 137 168193 23042441